3T0A
E. coli (LacZ) beta-galactosidase (S796T)
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.5 | 288 | 8-10% PEG 8000, 100 MM BIS-TRIS, 200 MM MGCL2, 100 MM NACL, 10 MM DTT, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 288.0K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.58 | 52.26 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 150.92 | α = 90 |
b = 161.22 | β = 90 |
c = 202.9 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 21 |
Diffraction
Diffraction Experiment | ||||||||||||||
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ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | CCD | ADSC QUANTUM 210 | KOHZU: Double Crystal Si(111) | 2006-04-01 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ALS BEAMLINE 8.3.1 | 1.11587 | ALS | 8.3.1 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Net I Over Average Sigma (I) | Redundancy | Number Reflections (All) | Number Reflections (Observed) | Observed Criterion Sigma (F) | Observed Criterion Sigma (I) | B (Isotropic) From Wilson Plot | ||||||||
1 | 1.9 | 200 | 92.7 | 0.06 | 10.7 | 1.9 | 358629 | 358629 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||||
1 | 1.9 | 1.93 | 87.2 | 0.95 | 1.4 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | FOURIER SYNTHESIS | THROUGHOUT | 1.9 | 61.72 | 353107 | 5178 | 100 | 0.17102 | 0.17041 | 0.21418 | RANDOM | 32.409 |
Temperature Factor Modeling | ||||||
---|---|---|---|---|---|---|
Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
-0.26 | -0.15 | 0.41 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 35.448 |
r_dihedral_angle_4_deg | 13.086 |
r_dihedral_angle_3_deg | 12.199 |
r_dihedral_angle_1_deg | 6.05 |
r_scangle_it | 5.941 |
r_scbond_it | 4.135 |
r_mcangle_it | 2.949 |
r_mcbond_it | 1.918 |
r_angle_refined_deg | 1.04 |
r_chiral_restr | 0.07 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 32632 |
Nucleic Acid Atoms | |
Solvent Atoms | 3713 |
Heterogen Atoms | 469 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
CNS | refinement |
ADSC | data collection |
DENZO | data reduction |
SCALEPACK | data scaling |
CNS | phasing |